The Nellie Bly Smoker
Make a hot/cold food smoker from a 55-gallon steel drum.
Screwdriver
Building a Doodle Bot Kit
The Doodle Bot is a simple robot kit for beginners that can draw pictures and write text messages with a pen. Sample code allows the robot to write messages created by the user. The size of the writing can be changed. The Robot is programmed using the Arduino IDE and a USB cable. 4x AAA […]
VHS Cassette Yarn Dispenser!
Making a yarn dispenser from your favorite VHS cassette takes only 5 minutes with this guide from Skeined Productions.
Lord Kelvin’s Thunderstorm
Create high-voltage sparks using nothing more than falling water as the source of energy.
Geiger Counter Kit
Commercial Geiger counters can cost hundreds of dollars. Build your own at a fraction of the price! This easy-to-solder kit can be built in an evening and it works just like you think it would; clicking and blinking in the presence of radiation. Just follow the instructions here to build it and use it. Your […]
True Mirror
See yourself as others see you with a true mirror.
Pop-Pop Steamboat
When you picture a steam engine, you likely imagine a giant cast-iron contraption festooned with knobs, valves, gauges, linkages, and wheels. This steam-powered toy boat has no moving parts and needs only a flame and the surrounding water to zip around and make its distinctively happy sound. My interest in pop-pop boats began when I […]
